Technical Information
To ensure autorun and distribution
Sets the following service settings
- [HKLM\System\CurrentControlSet\Services\iwgwfhow] 'Start' = '00000002'
- [HKLM\System\CurrentControlSet\Services\iwgwfhow] 'ImagePath' = '%WINDIR%\SysWOW64\iwgwfhow\aiakzksn.exe /d"<Full path to file>"'
- [HKLM\SYSTEM\CurrentControlSet\services\iwgwfhow] 'ImagePath' = '%WINDIR%\SysWOW64\iwgwfhow\aiakzksn.exe'
Creates the following services
- 'iwgwfhow' %WINDIR%\SysWOW64\iwgwfhow\aiakzksn.exe /d"<Full path to file>"
- 'iwgwfhow' %WINDIR%\SysWOW64\iwgwfhow\aiakzksn.exe
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion with following registry keys:
- [HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%WINDIR%\SysWOW64\iwgwfhow' = '00000000'
Executes the following
- '%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul
Injects code into
the following system processes:
- %WINDIR%\syswow64\svchost.exe
Modifies file system
Creates the following files
- %TEMP%\aiakzksn.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\aiakzksn.exe to %WINDIR%\syswow64\iwgwfhow\aiakzksn.exe
Deletes itself.
Network activity
Connects to
- 'mi##########m.mail.protection.outlook.com':25
- 'jo###heim.name':443
- 'jo###heim.name':481
- '62.##2.184.92':417
- '45.##3.201.238':417
- '17#.#13.115.84':417
- '80.#6.75.4':417
- '17#.#13.115.135':417
- '17#.#13.115.136':417
- '83.#7.73.44':417
- 'google.com':80
- 't.#e':443
- 'oa###.vk.com':443
- 'in###gram.com':443
TCP
HTTP GET requests
- http://www.google.com/
Other
- 'jo###heim.name':443
- 'jo###heim.name':481
- '45.##3.201.238':417
- '62.##2.184.92':417
- '17#.#13.115.84':417
- '17#.#13.115.136':417
- '80.#6.75.4':417
- '17#.#13.115.135':417
- '83.#7.73.44':417
- 't.#e':443
- 'oa###.vk.com':443
- 'in###gram.com':443
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK sv####lfheim.top
- DNS ASK jo###heim.name
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK google.com
- DNS ASK t.#e
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK oa###.vk.com
- DNS ASK in###gram.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\iwgwfhow\aiakzksn.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\iwgwfhow\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\aiakzksn.exe" %WINDIR%\SysWOW64\iwgwfhow\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create iwgwfhow binPath= "%WINDIR%\SysWOW64\iwgwfhow\aiakzksn.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description iwgwfhow "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start iwgwfhow' (with hidden window)
- '%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\iwgwfhow\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\aiakzksn.exe" %WINDIR%\SysWOW64\iwgwfhow\
- '%WINDIR%\syswow64\sc.exe' create iwgwfhow binPath= "%WINDIR%\SysWOW64\iwgwfhow\aiakzksn.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description iwgwfhow "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start iwgwfhow
- '%WINDIR%\syswow64\svchost.exe'
